Is this true? That a 256-grade grayscale is non-linear? I thought a 100%
change would be going from 0 to 255.
Tom C.
From: Anders Hultman <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: state of the art 35mm DSLR
Date: Wed, 27 Oct 2004 23:06:24 +0200
Shel Belinkoff:
What are "quantization effects?"
The effect that comes from that you only have distinct levels to play with,
and that subtle changes have to be either on or off.
Assume 8 bit gray scale. That means 256 distinct shades of gray from 0
(full black) to 255 (full white).
A change from one shade to the next, say from level #240 to #241 is very
small in percent, but if you go from shade #1 to #2 it's a 100 percent
increase.
anders
-------------------------
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